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To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>,
        Dan Shelton
 <dan DOT f DOT shelton AT gmail DOT com>
Subject: RE: [EXTERNAL] Re: Win32 account SID lookup if user and group have
 the same name?
Thread-Topic: [EXTERNAL] Re: Win32 account SID lookup if user and group have
 the same name?
Thread-Index: AQHaXmZg9NTIg6WlN0S/GUs1ESGL5rEIZzyQ
Date: Tue, 13 Feb 2024 15:40:53 +0000
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From: "Lavrentiev, Anton \(NIH/NLM/NCBI\) \[C\] via Cygwin" <cygwin AT cygwin DOT com>
Reply-To: "Lavrentiev, Anton \(NIH/NLM/NCBI\) \[C\]" <lavr AT ncbi DOT nlm DOT nih DOT gov>
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Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

> It's the same SID and it's your user SID.  There can't be a group with
> the same name as a user account in the same user DB.  Each account in
> the local domain or in an AD domain has to have a unique account name.

Exactly!  Which is why we use "namegrp" (an established convention) for Windows
groups when they are "mapped" to the respective Unix groups with the name just "name".

So the user "danfsh:danfsh" on Linux would be "danfsh:danfshgrp" on Windows.

Anton Lavrentiev
Contractor NIH/NLM/NCBI

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